-Can you ride the bike? -No, ______.
A. I can B. I can’t C. I do
A butterfly ______ two ______of wings.
A. has; pairs B. has; pair C. have; pairs
Betty is ______ a word puzzle.
A. solving B. solve C. working
What score ______ you get?
A. did B. do C. does
twelve ______ four is eight.
A. Plus B. minus C. and